Finding the Third Proportional to 1,621,878 and 2,336,262

Step by Step Solution

1. Step 1: Write the proportion equation
   1,621,878 : 2,336,262 = 2,336,262 : x
2. Step 2: Convert to fraction form
   1,621,878/2,336,262 = 2,336,262/x
3. Step 3: Cross multiply
   1,621,878x = 2,336,262 × 2,336,262
4. Step 4: Simplify right side
   1,621,878x = 5,458,120,132,644
5. Step 5: Solve for x
   x = 5,458,120,132,644/1,621,878
6. Step 6: Final answer
   x = 3,365,308.69